22444321013020 has 12 divisors (see below), whose sum is σ = 47133074127384. Its totient is φ = 8977728405200.

The previous prime is 22444321012913. The next prime is 22444321013027. The reversal of 22444321013020 is 2031012344422.

It is a super-2 number, since 2×22444321013020² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22444321013020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22444321013027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561108025306 + ... + 561108025345.

It is an arithmetic number, because the mean of its divisors is an integer number (3927756177282).

Almost surely, 2^{22444321013020} is an apocalyptic number.

22444321013020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22444321013020 is an abundant number, since it is smaller than the sum of its proper divisors (24688753114364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22444321013020 is a wasteful number, since it uses less digits than its factorization.

22444321013020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122216050660 (or 1122216050658 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 22444321013020 its reverse (2031012344422), we get a palindrome (24475333357442).

The spelling of 22444321013020 in words is "twenty-two trillion, four hundred forty-four billion, three hundred twenty-one million, thirteen thousand, twenty".